+ void update_channel_name(Mixer::Output output, const std::string &name);
+ void update_channel_color(Mixer::Output output, const std::string &color);
+ void gain_staging_knob_changed(unsigned bus_index, int value);
+ void final_makeup_gain_knob_changed(int value);
+ void cutoff_knob_changed(int value);
+ void eq_knob_changed(unsigned bus_index, EQBand band, int value);
+ void limiter_threshold_knob_changed(int value);
+ void compressor_threshold_knob_changed(unsigned bus_index, int value);
+ void mini_fader_changed(int bus, double db_volume);
+ void reset_meters_button_clicked();